Kayla Leonard DeHolton

Code to verify behavior: ``` key = "nue_cc" crit_str = "(reco_zenith >= 0) & (reco_z >= 500)" for variable_name in ['reco_z','reco_zenith']: crit_str = crit_str.replace( variable_name, 'self["%s"]["%s"]' % (key, variable_name) )...

For the cases where `input` is a file instead of directory, it would be nice to allow for wildcards and/or regex in the file path. Something like `glob.glob()` could handle...